Success is not final, failure is not fatal.  It is the courage to continue that counts.

It is never too late to become what you might have been

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

Instead of finding reasons why you can't, find reasons why you can.

If you can understand just one thing thoroughly, then you will understand everything.

You can have results or excuses, not both

Procrastination makes easy things hard and hard things harder.

The power of reflection is the most powerful skill you’ll learn.

Time is your friend, impulse is your enemy.

Pure mathematics is in its way, the poetry of logical ideas.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

Everything you want is on the other side of fear

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.